Osapiens is looking for a Senior Linux System Engineer to join our team and play a key role in managing and optimizing our Linux servers and distributed database systems within public cloud environments. You will be responsible for the high availability, reliability, and performance of the compute and data layers powering the osapiens HUB platform.

What You'll Do

Manage and optimize Linux servers in public cloud environments.
Operate and improve distributed database systems like ScyllaDB, Cassandra, and Elasticsearch/OpenSearch.
Ensure high availability, reliability, and performance across compute and data layers.
Continuously monitor system and database performance, identify bottlenecks, and implement tuning measures.
Diagnose and resolve complex issues within distributed databases, Linux servers, and cloud infrastructure.
Increase efficiency through Infrastructure-as-Code (IaC) using tools like Ansible, automating database operations, cluster provisioning, and configuration management.
Work closely with cross-functional teams to optimize, scale, and evolve infrastructure and database systems.
Provide expert guidance to colleagues and customers on database best practices, system performance, and scalable architecture patterns.

What We're Looking For

Extensive experience managing Linux (Ubuntu) systems.
Experience operating SQL/NoSQL databases in distributed environments.
Hands-on experience with monitoring and performance tooling such as Grafana, Prometheus, and Bash scripting.
Understanding of replication, sharding, consistency levels, failover strategies, and capacity planning for distributed data platforms.
Solid understanding of networking and security principles (firewalls, load balancing, TLS, performance tuning).

Nice to Have

Experience with ScyllaDB, Cassandra, and/or Elasticsearch/OpenSearch.
Familiarity with the DevOps lifecycle and IaC tools (Ansible, puppet, chef, etc.) for automating database & deployment lifecycle tasks.

Technical Stack

Linux (Ubuntu), ScyllaDB, Cassandra, Elasticsearch/OpenSearch, Grafana, Prometheus, Bash, Ansible

Team & Environment

You'll join our System Administration & Operations Team, playing a central part in keeping the osapiens technology platform running smoothly, securely, and at scale.

Benefits & Compensation

A purpose-driven mission tackling complex sustainability challenges.
Room for creativity through collaborative teamwork and an open communication culture.
Flexibility and team bonding with hybrid work options.
Fuel for your growth journey, both personally and professionally.
Sustainable mobility options, promoting eco-friendly commuting solutions.
Fun team events and outings with global teams.
Inspiring workspaces in Mannheim and beyond.